As the USA’s broadband market gets tougher, after the boost of work-from-home policies during the pandemic, it is increasingly vital for operators to invest in gaining mobile growth and market share. Companies that are primarily driven by wireless, such as Verizon, will become more so, as broadband losses must be offset by cellular gains. And relative newcomers to the mobile market, such as the leading cablecos, are likely to redouble their efforts as their traditional broadband and video revenues stagnate. In its most recent quarter, the largest US cableco, Comcast, reported its highest quarterly wireless subscriber growth to date, at the same time as losing over half a million video subscribers and seeing broadband gains slowing year-on-year. Comcast added 318,000…